This also allows enough time for any corrections to be made before the big event, if the event really is of that much importance that your hair must be perfect.

Nick Wooster, who is widely regarded as one of the most important men’s style icons of today, even told The Times, “Some barbers say the only difference between a good haircut and a bad haircut is three days.”

This matters more the shorter the haircut is, and with scissor cuts it matters a little less. Don’t let this affect your choice to get the haircut that would be best for you, however.